VULNERABILITY INTELLIGENCE
CVE-2021-39313
CVSS score6.1 MEDIUM
EPSS probability0.78%
CISA KEVNot currently listed
Published2021-12-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Description
The Simple Image Gallery WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the msg parameter found in the ~/simple-image-gallery.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.6.
Weakness classification
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Primary references
- security@wordfence.com — Third Party Advisory
- security@wordfence.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory